21853228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{321371}}^1$

素因数の和:321392

約数の個数: 12

約数和(自身を含む): 40492872

約数和(自身を除く): 18639644

約数列:

[1, 2, 4, 17, 34, 68, 321371, 642742, 1285484, 5463307, 10926614, 21853228]

約数ペア:

[(1, 21853228), (2, 10926614), (4, 5463307), (17, 1285484), (34, 642742), (68, 321371)]